| MSNK Fastighets AB | By Kyrkby | 0 tkr |
| M Sonehag Förvaltning AB | Falun | 0 tkr |
| M-Sport Sweden AB | Avesta | 0 tkr |
| MT Dalarna AB | Borlänge | 0 tkr |
| MUC AB | Falun | 0 tkr |
| Multi Holding AB | Hedemora | 0 tkr |
| Musik & IT tjänst i Mora AB | Mora | 0 tkr |
| Musik vid Siljan Aktiebolag | Boda Kyrkby | 0 tkr |
| Musk Invest AB | Mora | 0 tkr |
| MV Elektro AB | Borlänge | 0 tkr |
| MW Holding AB | Hedemora | 0 tkr |
| M. Wigander AB | Dala-Floda | 0 tkr |
| My Business i Borlänge AB | Borlänge | 0 tkr |
| Myckelby Holding AB | Dala-Husby | 0 tkr |
| Myrkanten Invest AB | Borlänge | 0 tkr |
| Näckrosen Holding AB | Ludvika | 0 tkr |
| Nadja Lindhe Mammo AB | Falun | 0 tkr |
| Någott Bortom Bergen AB | Björbo | 0 tkr |
| NajAB AB | Älvdalen | 0 tkr |
| Namez AB | Borlänge | 0 tkr |
| Näringshälsan Dalarna AB | Sollerön | 0 tkr |
| Nås Bränneri AB | Nås | 0 tkr |
| Näset 196:15 AB | Furudal | 0 tkr |
| Näslund Systems AB | Borlänge | 0 tkr |
| Näsudden Fastighetsförvaltning AB | Mora | 0 tkr |
| Natalia Martinsson AB | Hedemora | 0 tkr |
| Nathalie Stjernqvist Holding AB | Borlänge | 0 tkr |
| Natural Resources Invest Sweden AB | Falun | 0 tkr |
| Naturella, konsult och handel i Dalarna AB | Hedemora | 0 tkr |
| Naturexpos Dalarna AB | Orsa | 0 tkr |
| Naturlig tillväxt NUTAB Aktiebolag | Avesta | 0 tkr |
| Naturtrogen Sverige AB | Orsa | 0 tkr |
| Navajo AB | Rättvik | 0 tkr |
| Naxos Holding AB | Idkerberget | 0 tkr |
| Nazia AB | Falun | 0 tkr |
| NCP Concept International AB | Lidingö | 0 tkr |
| NDSM NORDIC AB | Avesta | 0 tkr |
| Nedre Martinagården AB | Tällberg | 0 tkr |
| NE ECOM AB | Avesta | 0 tkr |
| Neko Tek AB | Borlänge | 0 tkr |
| Nelle AB | Falun | 0 tkr |
| Nephilim AB | Borlänge | 0 tkr |
| NEWCON AB | Grängesberg | 0 tkr |
| Newholdsway AB | Mora | 0 tkr |
| New Move AB | Ludvika | 0 tkr |
| Next Green Holding AB | Mora | 0 tkr |
| Next Wave Consulting AB | Falun | 0 tkr |
| NGAC i Avesta-Norberg AB | Avesta | 0 tkr |
| NGSon AB | Linghed | 0 tkr |
| NH & SD Holding AB | Falun | 0 tkr |